diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-nomadik.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-nomadik.c | 125 |
1 files changed, 67 insertions, 58 deletions
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c index f7c7279d081a..d7c3ae300fa7 100644 --- a/drivers/pinctrl/pinctrl-nomadik.c +++ b/drivers/pinctrl/pinctrl-nomadik.c @@ -1695,7 +1695,7 @@ static int nmk_pin_config_get(struct pinctrl_dev *pctldev, unsigned pin, } static int nmk_pin_config_set(struct pinctrl_dev *pctldev, unsigned pin, - unsigned long config) + unsigned long *configs, unsigned num_configs) { static const char *pullnames[] = { [NMK_GPIO_PULL_NONE] = "none", @@ -1712,20 +1712,9 @@ static int nmk_pin_config_set(struct pinctrl_dev *pctldev, unsigned pin, struct pinctrl_gpio_range *range; struct gpio_chip *chip; unsigned bit; - - /* - * The pin config contains pin number and altfunction fields, here - * we just ignore that part. It's being handled by the framework and - * pinmux callback respectively. - */ - pin_cfg_t cfg = (pin_cfg_t) config; - int pull = PIN_PULL(cfg); - int slpm = PIN_SLPM(cfg); - int output = PIN_DIR(cfg); - int val = PIN_VAL(cfg); - bool lowemi = PIN_LOWEMI(cfg); - bool gpiomode = PIN_GPIOMODE(cfg); - bool sleep = PIN_SLEEPMODE(cfg); + pin_cfg_t cfg; + int pull, slpm, output, val, i; + bool lowemi, gpiomode, sleep; range = nmk_match_gpio_range(pctldev, pin); if (!range) { @@ -1740,54 +1729,74 @@ static int nmk_pin_config_set(struct pinctrl_dev *pctldev, unsigned pin, chip = range->gc; nmk_chip = container_of(chip, struct nmk_gpio_chip, chip); - if (sleep) { - int slpm_pull = PIN_SLPM_PULL(cfg); - int slpm_output = PIN_SLPM_DIR(cfg); - int slpm_val = PIN_SLPM_VAL(cfg); - - /* All pins go into GPIO mode at sleep */ - gpiomode = true; - + for (i = 0; i < num_configs; i++) { /* - * The SLPM_* values are normal values + 1 to allow zero to - * mean "same as normal". + * The pin config contains pin number and altfunction fields, + * here we just ignore that part. It's being handled by the + * framework and pinmux callback respectively. */ - if (slpm_pull) - pull = slpm_pull - 1; - if (slpm_output) - output = slpm_output - 1; - if (slpm_val) - val = slpm_val - 1; - - dev_dbg(nmk_chip->chip.dev, "pin %d: sleep pull %s, dir %s, val %s\n", - pin, - slpm_pull ? pullnames[pull] : "same", - slpm_output ? (output ? "output" : "input") : "same", - slpm_val ? (val ? "high" : "low") : "same"); - } + cfg = (pin_cfg_t) configs[i]; + pull = PIN_PULL(cfg); + slpm = PIN_SLPM(cfg); + output = PIN_DIR(cfg); + val = PIN_VAL(cfg); + lowemi = PIN_LOWEMI(cfg); + gpiomode = PIN_GPIOMODE(cfg); + sleep = PIN_SLEEPMODE(cfg); + + if (sleep) { + int slpm_pull = PIN_SLPM_PULL(cfg); + int slpm_output = PIN_SLPM_DIR(cfg); + int slpm_val = PIN_SLPM_VAL(cfg); + + /* All pins go into GPIO mode at sleep */ + gpiomode = true; + + /* + * The SLPM_* values are normal values + 1 to allow zero + * to mean "same as normal". + */ + if (slpm_pull) + pull = slpm_pull - 1; + if (slpm_output) + output = slpm_output - 1; + if (slpm_val) + val = slpm_val - 1; + + dev_dbg(nmk_chip->chip.dev, + "pin %d: sleep pull %s, dir %s, val %s\n", + pin, + slpm_pull ? pullnames[pull] : "same", + slpm_output ? (output ? "output" : "input") + : "same", + slpm_val ? (val ? "high" : "low") : "same"); + } - dev_dbg(nmk_chip->chip.dev, "pin %d [%#lx]: pull %s, slpm %s (%s%s), lowemi %s\n", - pin, cfg, pullnames[pull], slpmnames[slpm], - output ? "output " : "input", - output ? (val ? "high" : "low") : "", - lowemi ? "on" : "off"); + dev_dbg(nmk_chip->chip.dev, + "pin %d [%#lx]: pull %s, slpm %s (%s%s), lowemi %s\n", + pin, cfg, pullnames[pull], slpmnames[slpm], + output ? "output " : "input", + output ? (val ? "high" : "low") : "", + lowemi ? "on" : "off"); - clk_enable(nmk_chip->clk); - bit = pin % NMK_GPIO_PER_CHIP; - if (gpiomode) - /* No glitch when going to GPIO mode */ - __nmk_gpio_set_mode(nmk_chip, bit, NMK_GPIO_ALT_GPIO); - if (output) - __nmk_gpio_make_output(nmk_chip, bit, val); - else { - __nmk_gpio_make_input(nmk_chip, bit); - __nmk_gpio_set_pull(nmk_chip, bit, pull); - } - /* TODO: isn't this only applicable on output pins? */ - __nmk_gpio_set_lowemi(nmk_chip, bit, lowemi); + clk_enable(nmk_chip->clk); + bit = pin % NMK_GPIO_PER_CHIP; + if (gpiomode) + /* No glitch when going to GPIO mode */ + __nmk_gpio_set_mode(nmk_chip, bit, NMK_GPIO_ALT_GPIO); + if (output) + __nmk_gpio_make_output(nmk_chip, bit, val); + else { + __nmk_gpio_make_input(nmk_chip, bit); + __nmk_gpio_set_pull(nmk_chip, bit, pull); + } + /* TODO: isn't this only applicable on output pins? */ + __nmk_gpio_set_lowemi(nmk_chip, bit, lowemi); + + __nmk_gpio_set_slpm(nmk_chip, bit, slpm); + clk_disable(nmk_chip->clk); + } /* for each config */ - __nmk_gpio_set_slpm(nmk_chip, bit, slpm); - clk_disable(nmk_chip->clk); return 0; } |